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Accumulated Other Income (Loss) Components Net of Tax (Table Text Block) | 6 Months Ended
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Sep. 30, 2013
Table Text Block Supplement [Abstract] |
Summary of accumulated other comprehensive income (loss) | 6. Comprehensive Income (Loss) A summary of accumulated other comprehensive income (loss) components, net of tax, were as follows:
|  | Foreign Currency Translation |  | Unrealized Net Gain (Loss) on Investments |  | Fair Market Value of Cash Flow Hedges |  | Postretirement Benefit Obligation Gain |  | Accumulated Other Comprehensive Income (Loss)
|  | (Unaudited)
|  | (In thousands)
Balance at March 31, 2013 | $ | (30,153 | )$ | 39,645 | $ | (32,298 | )$ | 126 | $ | (22,680 | )
Foreign currency translation |  | (2,205 | ) | - |  | - |  | - |  | (2,205 | )
Unrealized net loss on investments |  | - |  | (26,752 | ) | - |  | - |  | (26,752 | )
Change in fair value of cash flow hedges |  | - |  | - |  | (1,157 | ) | - |  | (1,157 | )
Amounts reclassified from AOCI |  | - |  | - |  | 8,685 |  | - |  | 8,685
Other comprehensive income (loss) |  | (2,205 | ) | (26,752 | ) | 7,528 |  | - |  | (21,429 | )
Balance at September 30, 2013 | $ | (32,358 | )$ | 12,893 | $ | (24,770 | )$ | 126 | $ | (44,109 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 + Details
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